EP2039785B1 - Pfannenstahldesoxidationsverfahren - Google Patents

Pfannenstahldesoxidationsverfahren Download PDF

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Publication number
EP2039785B1
EP2039785B1 EP06843948A EP06843948A EP2039785B1 EP 2039785 B1 EP2039785 B1 EP 2039785B1 EP 06843948 A EP06843948 A EP 06843948A EP 06843948 A EP06843948 A EP 06843948A EP 2039785 B1 EP2039785 B1 EP 2039785B1
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EP
European Patent Office
Prior art keywords
melt
ladle
deoxidizer
density
desoxidant
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EP06843948A
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English (en)
French (fr)
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EP2039785A1 (de
EP2039785A4 (de
Inventor
Edgar Shumaher
Anatoliy Konstantinovich Belitchenko
Gennadiy Arkadevich Lozin
Igor Vitalevich Derevyanchenko
Viktor Nikolaevich Khloponin
Vladimir Konstantinovich Turovskiy
Aleksandr Nikolaevich Savyuk
Konstantin Filippovich Dorn
Vladimir Vladimirovich Yakovenko
Renata Frantski
Aleksandr Heshele
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Techcom GmbH
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Techcom GmbH
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Application filed by Techcom GmbH filed Critical Techcom GmbH
Priority to PL06843948T priority Critical patent/PL2039785T3/pl
Priority to SI200631073T priority patent/SI2039785T1/sl
Publication of EP2039785A1 publication Critical patent/EP2039785A1/de
Publication of EP2039785A4 publication Critical patent/EP2039785A4/de
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0068—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by introducing material into a current of streaming metal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Multimedia (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Claims (2)

  1. Pfannenstahldesoxidationverfahren umfassend die Zugabe eines granulierten oder klumpigen Aluminiumdesoxidationsmittels in einen Schmelzfluss während des Ausgießens aus der Fertigungseinheit in die Pfanne, wobei das Desoxidationsmittel eine Dichte aufweist, die niedriger als die Dichte der Schmelze in der Pfanne ist, dadurch gekennzeichnet, dass die Partikel des Desoxidationsmittels eine Größe von 0,5 bis 12 mm aufweisen und dem Schmelzfluss mit Schwung als ein konzentrierter Hochgeschwindigkeitsstrom mit einem Kraftimpuls von 40 bis 318,6 N zugeführt wird, wodurch die direkte Penetration des Desoxidationsmittels in die Schmelze gewährleistet wird, und mit einer Geschwindigkeit, die aus dem Gleichgewicht von Hochdruckdynamischer Belastung und statischen Druck im Inneren des Metalls kalkuliert ist und wie folgt bestimmt wird: ω 2 ⋅ ρ 1 / 2 = l ⋅ ρ 2 ⋅ g ,
    Figure imgb0003
    wobei ω - die Geschwindigkeit des Flusses des chemischen Mittels ist; ρ1 and ρ2 - die Dichte des Flusses des chemischen Mittels und die Dichte des flüssigen Stahlflusses sind; g - die Erdbeschleunigung ist; 1 - die Penetrationstiefe des chemischen Mittels in die Schmelze ist.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass für die Zugabe des Desoxidationsmittels in den Schmelzfluss, der aus der Fertigungseinheit in eine Pfanne gegossen wird, ein Kugelstrahler verwendet wird.
EP06843948A 2006-06-30 2006-06-30 Pfannenstahldesoxidationsverfahren Active EP2039785B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL06843948T PL2039785T3 (pl) 2006-06-30 2006-06-30 Sposób odtleniania stali w kadzi
SI200631073T SI2039785T1 (sl) 2006-06-30 2006-06-30 Postopek deoksidacije jekla v loncu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2006/000344 WO2008002176A1 (fr) 2006-06-30 2006-06-30 Procédé de réduction d'acier dans la poche

Publications (3)

Publication Number Publication Date
EP2039785A1 EP2039785A1 (de) 2009-03-25
EP2039785A4 EP2039785A4 (de) 2009-10-21
EP2039785B1 true EP2039785B1 (de) 2011-05-04

Family

ID=38845840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06843948A Active EP2039785B1 (de) 2006-06-30 2006-06-30 Pfannenstahldesoxidationsverfahren

Country Status (12)

Country Link
EP (1) EP2039785B1 (de)
CN (1) CN101522922B (de)
AT (1) ATE508210T1 (de)
BR (1) BRPI0621816B1 (de)
DE (2) DE602006021808D1 (de)
DK (1) DK2039785T3 (de)
EA (1) EA014276B1 (de)
ES (1) ES2328895T3 (de)
PL (1) PL2039785T3 (de)
PT (1) PT2039785E (de)
SI (1) SI2039785T1 (de)
WO (1) WO2008002176A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015113241A1 (de) 2015-08-11 2017-02-16 Rhm Rohstoff-Handelsgesellschaft Mbh Verfahren zum Einbringen von Zuschlagstoffen in Metallschmelzen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102031335A (zh) * 2010-11-01 2011-04-27 武汉科技大学 冶炼大线能量焊接高强度钢的复合脱氧剂及使用方法
CN102146518A (zh) * 2011-04-02 2011-08-10 钢铁研究总院 一种气氛保护电渣重熔用精炼剂

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511490A (en) * 1967-02-24 1970-05-12 Brown Fintube Co Apparatus for introducing addition agent into molten steel
SU827560A1 (ru) * 1978-08-25 1981-05-07 Центральный Ордена Трудового Красногознамени Научно-Исследовательскийинститут Черной Металлургии Им.И.П.Бардина Способ получени стали
US4391319A (en) * 1979-08-27 1983-07-05 Keystone Consolidated Industries, Inc. Apparatus for introducing elements into molten metal streams and casting in inert atmosphere
US4389249A (en) * 1982-04-22 1983-06-21 Inland Steel Company Method for adding ingredient to steel as shot
US4863684A (en) * 1989-01-13 1989-09-05 Inland Steel Company Method and apparatus for adding shot to molten steel
CN1030532C (zh) * 1994-01-08 1995-12-20 中国冶金技术公司 使用铝渣进行的钢铁冶炼方法
DE59707243D1 (de) * 1997-03-17 2002-06-13 Stein Ind Anlagen Inh Christel Verfahren zum einbringen von körnigen feststoffen in metallschmelzen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015113241A1 (de) 2015-08-11 2017-02-16 Rhm Rohstoff-Handelsgesellschaft Mbh Verfahren zum Einbringen von Zuschlagstoffen in Metallschmelzen

Also Published As

Publication number Publication date
DE602006021808D1 (de) 2011-06-16
DE06843948T1 (de) 2009-12-17
PL2039785T3 (pl) 2011-10-31
BRPI0621816A2 (pt) 2012-09-18
SI2039785T1 (sl) 2011-09-30
CN101522922A (zh) 2009-09-02
ES2328895T1 (es) 2009-11-19
ES2328895T3 (es) 2011-10-18
DK2039785T3 (da) 2011-08-15
BRPI0621816B1 (pt) 2015-06-02
CN101522922B (zh) 2012-08-01
EP2039785A1 (de) 2009-03-25
WO2008002176A1 (fr) 2008-01-03
EA014276B1 (ru) 2010-10-29
PT2039785E (pt) 2011-08-17
ATE508210T1 (de) 2011-05-15
EP2039785A4 (de) 2009-10-21
EA200802345A1 (ru) 2009-04-28

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